Home / 975,325.79-1,345,895.45-545,522.88

Finding the Fourth Proportional to 975,325.79, 1,345,895.45 and 545,522.88

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Solution

The fourth proportional to 975,325.79, 1,345,895.45 and 545,522.88 is: 752,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,325.79 : 1,345,895.45 = 545,522.88 : x
  2. Step 2: Convert to fraction form
    975,325.79/1,345,895.45 = 545,522.88/x
  3. Step 3: Cross multiply
    975,325.79x = 1,345,895.45 × 545,522.88
  4. Step 4: Simplify right side
    975,325.79x = 734,216,762,062.90
  5. Step 5: Solve for x
    x = 734,216,762,062.90/975,325.79
  6. Step 6: Final answer
    x = 752,791.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.